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= SQL-E-Learning
:author: Jan Klemkow, Benjamin Franzke
:lang: de
:imagesdir: image
== IST-Zustand
* Datenbank-Lektionen in Moodle
* Online-Web-Tutorial mit Oracle (Nils Weber)
== Projekt Ziel
* interaktive SQL-Tests innerhalb von Moodle
* Auswertung des Lernfortschrits
== Problem: Benutzertrennung
image:conflict.svg[]
== Transaktionen
[source,sql]
----
# sqlbox instruction
BEGIN TRANSACTION;
# User Input:
SELECT * FROM blub;
# sqlbox instruction
ROLLBACK TRANSACTION;
----
== Transaktionen
[source,sql]
----
# sqlbox instruction
BEGIN TRANSACTION;
# User Input:
INSET INTO blub VALUES (1,'foo')
COMMIT TRANSACTION;
BEGIN TRANSACTION;
SELECT * FROM blub;
# sqlbox instruction
ROLLBACK TRANSACTION;
----
== Separate Datenbanken
image:multi-db.svg[]
== Read-Only
image:read-only.svg[]
== Demonstration
Demonstration!
// vim: ft=asciidoc :
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